Samsung Galaxy S21 has a rather small battery to drive power-hungry innards. Pick one from these best Galaxy S21 battery case options.
The Samsung Galaxy S21 comes with all the bells and whistles that you’d want in a high-end phone, but without having to pay north of a thousand dollars. Currently going for around $700, it offers a smooth 120Hz OLED display, fast processor, capable cameras, and an appealing design. But the 4,000mAh battery inside is not really sufficient, especially when it comes to driving a power-hungry chip and a 120Hz display.
